Marine and subsea slip rings
Moog Model 130
Large high-power marine slip ring with FORJ option for slow-turning winches.
Key specifications
| Current per circuit (max) | 120 A |
|---|---|
| Voltage (max) | 7,200 V |
| Speed (max) | 5 rpm |
| Outer diameter | 457–457 mm |
Summarised in our own words from Moog Inc.'s published data; series maxima, individual models vary. Last checked 2026-10-29. Source 1 · Source 2
Notes on this data
Max 5 rpm continuous.
Specify Motion is not affiliated with Moog Inc.. Moog and Model 130 are used only to identify the product. Comparisons use published figures; always confirm against the current datasheet.
Typical applications
Alternatives that meet or exceed these figures
Engineers often come to us with a Moog part number and leave with an alternative that is easier to source, quicker to deliver or a better fit for the machine. These 3 series from our supply network are the closest match on published figures.
Heavy-duty carbon-brush slip rings for very high current and voltage, with copper-graphite power rings and precious-metal signal rings. Large and heavy by design, but straightforward to maintain.
| Published maximum | Model 130 | BHR Series Frameless Type (Carbon Brush) |
|---|---|---|
| Circuits | — | 76 |
| Current per circuit | 120 A | 500 A meets or exceeds |
| Speed | 5 rpm | 10 rpm meets or exceeds |
| Voltage | 7,200 V | 20,000 V meets or exceeds |
Fibre optic rotary joints that carry single-mode or multi-mode optical channels across rotation for high-bandwidth, interference-free data. Channel counts run from one to fifty.
| Published maximum | Model 130 | FR Series Fiber Optic Rotary Joint |
|---|---|---|
| Current per circuit | 120 A | — |
| Speed | 5 rpm | 2,000 rpm meets or exceeds |
| Voltage | 7,200 V | — |
| Fibre channels | — | 50 |
RF rotary joints that carry microwave signals across rotation for antennas and radar, with one to five channels. Single-channel models run to 50 GHz.
| Published maximum | Model 130 | RR Series Radio Frequency Rotary Joint |
|---|---|---|
| Current per circuit | 120 A | — |
| Speed | 5 rpm | 500 rpm meets or exceeds |
| Voltage | 7,200 V | — |
Figures are the highest published for each series and are not always measured the same way. A higher figure is not automatically a better choice: mounting, duty cycle, feedback, connectors and approvals matter too. An engineer will check the fit against your application before recommending anything.
Other marine and subsea slip rings series
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